Which of the following is not a method of water conservation 1 rainwater harvesting 2 groundwater extraction 3 improving irrigation efficiency 4 avoiding water usage
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3
Explanation:
Water harvesting is a technique of capturing rain water when it falls and taking measures to keep the water clean. This wTater is stored underground that remains unpolluted, it recharges wells and provides moisture for vegetation over a wide area
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Answer:
Explanation:
Ground water extraction is not a method of water conservation.
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